The gold foil experiment demonstrated that most of an atom is empty space with a very small positively charged nucleus in the middle. His result was that 99.995% Î±-particles were not deflected. This proved that atoms had an inner core that contained most of the mass of an atom and was positively charged. Comments
How to calculate your next menstrual cycle period: The average menstrual cycle is 28 days long.Cycles can range anywhere from 21 to 35 days in adults and from 21 to 45 days in young teens. An estimated menstrual cycle period can be calculated by following steps 1 through 3: 1.You need to determine the first day of your last menstrual period. 2. Knowing your menstrual cycle length. This is the number of days from the first day of your period until the last day before your next period. 3.Enter the date and menstrual cycle length, Click the button, You'll get the calculation.
Calculate duration between two dates with time. This service calculates the duration, counting the number of years, months, days, hours, minutes and seconds between two moments in time.If you only need the day count, without hours/minutes/seconds fields, please see the Date duration calculator instead.alculate duration between two dates with time. This service calculates the duration, counting the number of years, months, days, hours, minutes and seconds between two moments in time.